Ricoh FT7770 Service Manual page 764

39. MAIN BOARD (A029)
Index
Part No.
No.
* A029 6220 Main Board - 220/240V
*
A029 6210 Main Board - 115V
1 A029 6211 IC - HN27256G-25
2 A029 6212 IC - HN27256G-25 - 115V
3 A029 6222 IC - HN27256G-25 - 220/240V
4
5215 5260 Fiber Input Connector
5 5918 5711
Fiber Output Connector
6 5918 5712 Fiber Input Connector
101 1101 0328 Connector Pin Contact
102 1101 0424 Terminal Plate - 4P
103 1102 2271 Connector - 20P
104
1103 0619 Connector - 20P
105 1103 0620 Connector - 30P
106 1103 0621 Connector - 40P
107 1103 0632
Connector - 4P
108 1103 0635 Connector - 10P
Index
Part No.
No.
144 1407 1331 IC - UD74LS154P
145 1407 1332 IC - HD74LS11
146 1407 1333 IC - HD74LS245P
147
1407 1534 IC - UPD8253C-2
148
1407 1602 IC - RP5C15
149 1407 1794 IC - UPD8255AC-2
150 1407 1861 IC - MK48Z02B-25
151 1408 0188 IC - ICL8211CPA
152 1408 0229 IC - MBS4052
153 1408 0413 IC - TL092CP
154
1408 0459 IC - HA17393
155
1408 0578 IC - HA17339
156 1408 0619 IC - SN751701
157 1503 0029
Oscillator - HC-18/U 10MHz
158 1503 0095 Oscillator - P3 32.768KHz
159
1601 7230 Resistor Array - 27KOHM 1/8W
160 1601 7282 Resistor Array - 150OHM 1/4W
161 1601 7352 Resistor Array - 4.7KOHM
162 1601 7354 Risistor Array - 10KOHM
163
1601 7355 Resistor Array - 150KOHM
164 1601 7370 Resistor Array - 1KOHM
165
1601 7374 Resistor Array - 4.7KOHM
166 1601 7376 Resistor Array - 10KOHM ±5% 1/8W
167 1601 7377
Resistor Array - 15KOHM ±5% 1/8W
168 1601 7378
Resistor Array - 22KOHM ±5% 1/8W
169 1601 7383
Resistor Array - 150KOHM ±5% 1/8W
170 1601 7396 Resistor Array - 4.7KOHM
171
1601 7398 Resistor Array - 10KOHM
172
1601 7404 Resistor Array - 10KOHM 1/2W
173 1601 8081
Variable Resistor - 100KOHM
174 1601 8137 Variable Resistor - 1KOHM
175
1601 8328 Variable Resistor - 30KOHM
176 1604 0857
Capacitor - 47µF 35V
177 1604 0903 Capacitor - 10µF 35V
178 1604 1378
Capacitor - 1MF 50V
Q'ty Per
Description
Assembly
Q'ty Per
Description
Assembly
Index
Part No.
No.
1 109 1103 0857
110 1103 1592
1
111 1103 1878
1
112 1104 0328
1
1 113 1104 0332
114 1204 1173
1
115 1206 0032
1
116 1400 0072
1
117 1400 0114
118 1400 0135
119 1400 0234
120 1400 0296
121 1401 0192
122 1401 0273
123 1401 0611
124 1401 0818
125 1401 0832
126 1402 0237
127 1402 0247
128 1402 0353
129 1402 0452
130 1402 0551
131 1407 0621
132 1407 0639
133 1407 0640
134 1407 0814
135 1407 0972
136 1407 0974
137
1407 0975
138 1407 1015
139 1407 1023
140 1407 1026
141 1407 1081
142 1407 1151
143 1407 1154
Index
Part No.
No.
179 1604 1382
180 1605 0279
181 1606 0528
182 1606 1303
183 1606 1310
184 1606 1330
1606 1336
185
186 1611 4101
187 1611 4102
188 1611 4103
189 1611 4104
190 1611 4125
191 1611 4151
192 1611 4152
1611 4153
193
194 1611 4181
195 1611 4203
196 1611 4221
197 1611 4223
198 1611 4273
199 1611 4331
200 1611 4332
201 1611 4333
202 1611 4392
203 1611 4471
204 1611 4472
205 1611 4562
206 1611 4680
207 1611 6221
208 1611 6569
209 1622 1001
210 1622 1202
211 1622 2702
212 1622 5600
213 1622 9100
87
Description
Connector - 26P
Connector - 36P
Connector - 2P
Connector - 24P
IC Socket - 28P
DIP Switch - DSS404
Battery - BR2325-1HC
Transistor - 2SC372Y
Transistor - 25C372GTM
Transistor - 25AS1015-Y
IC - A673AC8D2
Transistor - 2SC2655-Y
IC - µPA2003C
IC - øPA2001C
Diode - 1S1588
Diode Array - MA425
Diode - DSA1A1
Zener Diode - RD12F
Diode - W06B
Zener Diode - RD8.2F-B
Zener Diode - RD18FB
Diode Array - DAN403
IC - SN74LS08N
IC - TC4009UBP
IC - TC4010BP
IC - SN74LS139N
IC - HD74LS42P
IC - HD74LS32P
IC - HD7407P
IC - UPD8251AP
IC - HD74LS14P
IC - SN74LS373N
IC - HD7406P
IC - D-8085AC-2
IC - UPD8279C-2
Description
Capacitor - 10µF 50V
Capacitor - 0.047µF 50V
Capacitor - 220PF 50V
Capacitor - 10PF 50V
Ceramic Capacitor - 39PF - 50V
Capacitor - 470PF 50V
Capacitor - 10000PF 50V
Resistor - 100OHM 1/4T ±5%
Resistor - 1KOHM 1/4T ±5%
Resistor - 10KOHM 1/4T ±5%
Resistor - 100KOHM 1/4T ±5%
Resistor - 1.2MOHM 1/4T ±5%
Resistor - 150OHM 1/4T ±5%
Resistor - 1.5KOHM 1/4T ±5%
Resistor - 15KOHM 1/4T ±5%
Resistor - 180OHM 1/4T ±5%
Resistor - 20KOHM 1/4T
Resistor - 220OHM 1/4T ±5%
Resistor - 22KOHM 1/4T ±5%
Resistor - 27KOHM 1/4T ±5%
Resistor - 330OHM 1/4T ±5%
Resistor - 3.3KOHM 1/4T ±5%
Resistor - 33KOHM 1/4T ±5%
Resistor - 3.9KOHM 1/4T ±5%
Resistor - 470OHM 1/4T ±5%
Resistor - 4.7KOHM 1/4T ±5%
Resistor - 5.6KOHM 1/4T ±5%
Resistor - 68OHM 1/4T ±5%
Resistor - 220OHM 1/2T ±5%
Resistor - 5.6OHM 1/2T ±5%
Resistor - 1KOHM 1/4T ±1%
Resistor - 2KOHM 1/4T ±1%
Resistor - 27KOHM 1/4T ±1%
Resistor - 560OHM 1/4T ±1%
Resistor - 910OHM 1/4T ±1%
April 30, '89
Q'ty Per
Assembly